Table 1.
Parameters of Sh90L-4 motor.
| Parameter | Rated value | Unit |
|---|---|---|
| Power | 1.5 | kW |
| Voltage | 400 | V |
| Current | 3.61 | A |
| Efficiency | 79.0 | % |
| Power factor | 0.755 | - |
| Rotational speed | 1,410 | rpm |
| Torque | 10.1 | Nm |
Figure 1.
Geometry Sh90L-4 of an electric motor with a faulty stator part.
Figure 2.
Simulation of the circuitry performed in the Ansys Maxwell software.
Figure 3.
Experimental setup for testing an induction motor with interturn short circuits.
Figure 4.
Terminal board method of performing coil short circuits at a stand.
Figure 5.
Comparison of instantaneous phase current waveforms for the mathematical model and the tested motor at f = 10 Hz, Tl = 100%, and fault Nsh = 5. FEM, finite element model.
Figure 6.
Amplitude spectrum of instantaneous power obtained from the field-circuit (FEM) model for a three-phase induction motor, at f = 50 Hz, Tl = 100%, and fault Nsh = var. FEM, finite element model.
Figure 7.
Amplitude spectrum of instantaneous power obtained from laboratory experiments for the three-phase induction, at f = 50 Hz, Tl = 100%, and fault Nsh = var.
Figure 8.
Indicator for proposal method f = 50 Hz, Tl = 100%, and fault Nsh = var.